Home / 711,092.20-1,067,867.10-379,316.20

Finding the Fourth Proportional to 711,092.20, 1,067,867.10 and 379,316.20

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Solution

The fourth proportional to 711,092.20, 1,067,867.10 and 379,316.20 is: 569,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,092.20 : 1,067,867.10 = 379,316.20 : x
  2. Step 2: Convert to fraction form
    711,092.20/1,067,867.10 = 379,316.20/x
  3. Step 3: Cross multiply
    711,092.20x = 1,067,867.10 × 379,316.20
  4. Step 4: Simplify right side
    711,092.20x = 405,059,290,477.02
  5. Step 5: Solve for x
    x = 405,059,290,477.02/711,092.20
  6. Step 6: Final answer
    x = 569,629.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.